Teletext was more than just text and numbers on a TV screen.
It was an early digital platform that delivered live information directly into people’s living rooms.

In this lightning talk, we look at how Teletext worked, from data hidden in the TV signal to the broadcast model that made real time information available decades before the internet.

When NRK shut down its Teletext service on 20 August 2025 after 42 years on air, Norway did not just lose a text service. It lost a real time broadcast information platform.